ATI LPN
Cardiovascular Assessment Questions Questions
Question 1 of 5
Which term refers to the period of time during a cardiac cycle when contraction of a chamber occurs and pressure within the chamber rises?
Correct Answer: B
Rationale: Systole refers to the contraction phase of the cardiac cycle, during which the heart chambers pump blood out, increasing internal pressure.
Question 2 of 5
The muscular layer of the heart wall is the:
Correct Answer: C
Rationale: The myocardium is the muscular layer responsible for heart contraction.
Question 3 of 5
The correct order of the layers of the heart from deep to superficial are:
Correct Answer: D
Rationale: The layers of the heart from deep to superficial are endocardium, myocardium, and epicardium.
Question 4 of 5
If the sinoatrial node is setting the pace for the heartbeat, it will usually be:
Correct Answer: B
Rationale: Under normal conditions, the SA node sets a pace of approximately 70-75 beats per minute.
Question 5 of 5
Vasomotor control mechanisms influence:
Correct Answer: D
Rationale: Vasomotor control, regulated by the autonomic nervous system, primarily affects the diameter of arterioles, altering peripheral resistance and blood flow.